400427914451185187491

Names of 400427914451185187491

• Cardinal: 400427914451185187491 can be written as Four hundred quintillion, four hundred twenty-seven quadrillion, nine hundred fourteen trillion, four hundred fifty-one billion, one hundred eighty-five million, one hundred eighty-seven thousand, four hundred ninety-one.

Scientific notation

• Scientific notation: 4.00427914451185187491 × 10²⁰

Factors of 400427914451185187491

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 4
• Sum of prime factors: 3722796930

Divisors of 400427914451185187491

• Number of divisors d(n): 16
• Complete list of divisors:
  1 193 7547 73847 1456571 14252471 557323309 3722715343 107563398637 718484061199 28095332693621 274911359934521 5422399209868853 53057892467362553 2074756033425829987 400427914451185187491
• Sum of all divisors σ(n): 402561454613324166144
• Sum of proper divisors (its aliquot sum) s(n): 2133540162138978653
• 400427914451185187491 is a deficient number, because the sum of its proper divisors (2133540162138978653) is less than itself. Its deficiency is 398294374289046208838

Bases of 400427914451185187491

• Binary: 101011011010100001101101110101010001010100101011001100011101010100011₂
• Hexadecimal: 0x15B50DBAA2A5663AA3
• Base-36: 2CI9HL285IUHLV

Squares and roots of 400427914451185187491

• 400427914451185187491 squared (400427914451185187491²) is 160342514671725683113008120959288822875081
• 400427914451185187491 cubed (400427914451185187491³) is 64205618747857677614107838792650323863406501737948110656811771
• The square root of 400427914451185187491 is 20010695001.7030939577
• The cube root of 400427914451185187491 is 7370689.4781072085

Scales and comparisons

• 400,427,914,451,185,187,491 seconds is equal to 293,274,701,009 years, 3 weeks, 3 days, 15 hours, 30 minutes, 7 seconds.
• To count from 1 to 400,427,914,451,185,187,491 would take you about two hundred ninety-three billion, two hundred seventy-four million, seven hundred one thousand and nine years!

  This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)

• A cube with a volume of 400427914451185187491 cubic inches would be around 614224.1 feet tall.

Recreational maths with 400427914451185187491

• 400427914451185187491 backwards is 194781581154419724004
• The number of decimal digits it has is: 21
• The sum of 400427914451185187491's digits is 85
• More coming soon!